Pyrophyllite and Riesling Beryl Physical Properties

Pyrophyllite

Riesling Beryl

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.902.66-2.86

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{001} Perfect

Not Available

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2Be 3Si 6O 18Martin H.

Pyrophyllite and Riesling Beryl Chemical Formula

While comparing Pyrophyllite and Riesling Beryl physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Pyrophyllite and Riesling Beryl chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

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Pyrophyllite and Riesling Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Riesling Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Riesling Beryl Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.66-2.86 whereas that of Riesling Beryl is 2.66-2.86.